Pet drinking aid



FIG. 1 is a perspective view of the pet drinking aid showing my new design;

FIG. 2 is a front elevation view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a perspective view, shown in use.

The broken line showing of environment being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a pet drinking aid, as shown and described. 